TW554109B - Sewing machine - Google Patents

Abstract

The subject of this invention is to provide a sewing machine that prevents a strip-form object from being sewn to a material in a dislocated state. The solution of this invention is as follows. Forward tooth spaces 65a and 65b, a strip-form object supply outlet 70, needle locations 68a and 68b, rearward tooth spaces 66a, 66b and 66c are formed in a throat plate 26 from the upstream side of a sewing advance direction A, and the strip-form object supply outlet 70 is arranged in a position corresponding to the center of a presser foot 62. A material is superposed on a rubber tape 36 coming out from the strip-form object supply outlet 70, and immediately after that, the rubber tape 36 and the fabric 37 are sewn together, so that sewing of the rubber tape 36 to the material 37 in a dislocated state can be prevented reliably.

Description

554109 V. Description of the invention (ο The present invention relates to sewing machine panties, swimwear, and sports shorts made of rubber on a plug and the like. When the men's panties and the operation are running, the belt and the sewing cloth are moved twice. Waist: Stitched belt with stitches ... to sew. The fabric is placed on the needle plate. Feeding grooves and needle drop holes are formed at the needle plate on the fabric. It is sewn in the feeding line. Feeding tooth groove = w groove inserts the cloth held by the needle plate and the foot to the sewing movement, and the feeding tooth includes the * surface arranged in the needle drop hole and conveyed in the ^ direction. The rear rear feeding teeth 'feet cover the front and back: movement from the front of the chat ⑽ clamping' to feed with the fabric; = feet and needle plate are combined with the fabric. The fabric is stitched with a ribbon at the pinhole, as in the front (upstream of the sewing movement direction). ^ As described in the pinhole, the supply of the ribbon plate and the presser foot from the front of the presser foot is lost by the feed. Tooth-conveying cloth = Needle = is stitched. ^ Q 不 洛 PINhole make belt :::: 12 The specified position of the edge of the edge, that is, to the specified position, but from the conveyance to the pressure to the stitching at the needle drop hole, it is conveyed by Gangda material teeth, at this time the belt will occur Questions about things shifting left and rightPage 4 2174-4004-PF.ptd

I 554109 V. Description of Invention (2). If the waist of the male panties is unfortunate, if the partial deviation of the belt around the circumference is sewn into a tubular seam 2-the situation will result in a circle-circle overlap, that is, the feeding amount of the teeth is greater than the rear feeding The feeding amount of the teeth is also: ... a sewing machine with a positive action, ... a cloth that produces ribbons ΐ = ΐ The purpose is to provide-a kind of ribbons are stitched to the makeup without any deviation 铷 ΐ 明 所The above-mentioned sewing 胄 'is provided with a bee supply belt in the body of the sewing machine, and it is set to be supplied to the sewing board. When it is transported to the sewing board at 1 =, it is supplied from the above-mentioned belt supply device and is overlapped to sew. W ^ The belt-shaped f is characterized in that at the above-mentioned needle plate, a front feeding tooth groove and a needle drop hole are formed in order from the sewing movement: side, and a position near the needle drop hole is provided between Luo Shiyou = tooth groove. Ribbon supply: According to the present invention, a ribbon supply outlet is provided at the hole position between the needle drop hole and the front feeding tooth groove. Because the needle outlet supplies the ribbon, the ribbon is formed by a ribbon. Supply ^ $ mount supply is immediately sewn to the cloth. In other words, it is not like the fresh 5 from i = the back shape 1 and the cloth are sent by the front feeding gear in an overlapped state, the second can accurately prevent the belt from being sewed and offset, and the material is supplied to the outlet Can be formed at the needle plate 'or at the pressure; 0 on the belt

2174-4004-PF.ptd Page 5

554109 V. Description of the invention (3) ^ The sewing machine according to the present invention is characterized in that the above-mentioned ribbon supply outlet is formed at the needle plate between the front feeding tooth groove and the needle hole, and passes through the needle plate below. The ribbon supply outlet supplies the ribbon to the needle plate. Quilt / Genί ί invention ‘ribbon supply outlet is formed at the needle plate, under the ribbon. For example, under the belt with a high friction coefficient, such as an elastic belt, the lower part of the belt contacts the presser foot to be sent out, it will loosen under the fabric. Feeding = The belt is ^ ^. ^ Rr Objects and presser feet; In addition, a 'belt' is supplied from the presser foot, and a guide member for guiding the web is provided, which causes a similar problem. It will not produce the sewing machine according to the present invention, and the features are as follows: The front part or the lower part of the base of the sewing machine is as described above. The guide ribbon introduction path from the supply inlet to the tapping ribbon supply outlet. According to the present invention, the ribbon supply is fed from the ribbon supply to the base of the sewing machine: it is fed and guided from the ribbon supply outlet. According to such weights, mouth. The ribbon guided exactly to the throat plate feeds the sewing machine according to the present invention, which is characterized by being placed on a false surface including the throat plate,! = Τ of the ribbon supply device m'M described below. Fang 'has a clamping belt shape. Page 6 2174-4004.PF.ptd 554109 V. Description of the invention (4) A pair of clamping belts for the object is continuous and accurate according to the present conveyor belt. The belt D is kept clear from the belt path through the belt, etc., because the auxiliary conveying path ′ is set so that the belt support member that can be sent out by the roller of the present invention is held in a clamped position with the rotation of the upper belt roller. The rollers are chucked, so if the rollers are offset, they cannot be fed to the belt mirror, and they are fed to the inlet through the rotation of the pair of nip rollers. In the invention, the belt is supplied in a belt shape by a belt supply device held by a pair of nip rollers. The sewing machine is characterized by an auxiliary conveying device for air, so that the conveyance is smoothly conveyed from the supply inlet to the belt in the introduction path, and the belt is supplied through the introduction path, but it is difficult to pass the introduction path smoothly. The belt is placed from the supply inlet of the ribbon to the device, so the ribbon can pass through the introduction path smoothly with space. The sewing machine is characterized in that it is shaped like a ribbon and guides the ribbon to the β support member and is provided between the ribbon supply inlets. The supply device is a pair of lost rollers that clamps out the ribbon. 'When the ribbon is inserted into the belt holding position and the ribbon supply inlet is initially supplied with the ribbon, the ribbon cannot be inserted into the ribbon. Situation. In response to such problems, the belt is fed into the upper position and rotated to send out the material, so it is possible to set the belt feeding and feeding in the introduction path. An introduction is provided between the mouths when the webbing is tight. According to the present invention, air is blown through the introduction path and air passes through the introduction path simultaneously: a ribbon for holding a newspaper from a ribbon supply inlet is provided to sandwich the ribbon and is supplied to the inlet through the clip. Because there is a certain distance between the ribbons that are sent out, the supply inlet will appear, and according to the present invention,

2174-4004-PF.ptd 554109

A support is provided between the nip position of the nip roller and the belt supply inlet, and the belt is guided to the belt supply inlet. 2 The belt shape can ensure that the belt is inserted into the belt supply inlet. Therefore, the following describes the present invention with reference to the embodiments and the accompanying drawings. Liaobu Bang detailed description of the overall structure of the diagram is briefly explained. FIG. 1 is a perspective view of the sewing machine 20 according to an embodiment of the present invention. FIG. 2 is a plan view of the cylinder base portion 25. FIG. 3 is a cylinder base portion 25 is a perspective view of FIG. 4; FIG. 4 is a left side view of the vicinity of the cylinder base portion 25 of the sewing machine 20; FIG. 5 is a right side view of the cylinder base portion 25; and FIG. 6 is a sewing machine according to another embodiment of the present invention. 21 ~ Sewing machine body; 25 ~ Cylinder block; 62 ~ Presser foot; 3 1 ~ Driven lost roller; 81 ~ With guide rail; 2 0, 1 0 1 ~ Sewing machine; 2 2 ~ Belt Supply device 2 6 to the needle plate; 30 to the active pinch roller; 70 to the ribbon supply outlet 100 to the sewing machine base. Invention Examples

554109 V. Description of the invention (6) FIG. 1 is a perspective view of a sewing machine 20 according to an embodiment of the present invention, and FIG. 2 is a plan view of a cylinder base portion 25 of the sewing machine 20. The sewing machine 20 is provided with a belt supply device 22 at the front of the sewing machine body 21 to constitute 'in this embodiment, an elastic band is provided as a belt and is used for items such as men's briefs and sports shorts. When the waist is sewn with rubber. A needle plate 26 is horizontally provided above the cylinder base portion 25 of the sewing machine body 21 as a sewing machine base, and a sewing machine head 27 is provided above the cylinder base portion 25 adjacent to the needle plate 26 A needle bar 29 is provided on the front of the head 27 of the sewing machine to accommodate two needles 28 and to reciprocate up and down. In addition, a presser foot 62 is provided on the plate 26. The presser foot 62 is attached to the rear end portion of the presser foot support of the waste foot support. The presser foot support is pivotally supported on the sewing machine body 21, and the j J Π frame 63 is attached with The elastic force that presses downwards. On the presser foot, the needle plate 26 is formed with a pair of needle drop holes ㈣, ㈣ (see Figure 2), a ribbon supply outlet 70, and a feeding groove 65 to 67. μ Come / ° in detail, the sewing movement side of the needle plate 26: A is formed in the direction of the sewing movement side, for example, a strip extending in the vertical direction is interlaced to the succeeding rear side and a directional sewing movement is formed. A mouthful of two extending in the direction A is at its tight ends 68a and 68b. With respect to the left side of the needle hole _, Katow, a needle movement hole 68a, ^ A " on the paper surface is formed. 68b, the rear feed sipe 66a, and a pair of small feed sipes 66b extending at A form a directional sewing motion direction e. In addition, the front feed 2174-4004-PF.ptd Page 554109 V. Description of the invention (7): the left side of the groove and the rear feeding tooth groove 66a, forming a 6 5 a front end extending from the German material Feeding groove 67 〇 Rear _ tooth groove 66a at the rear side of the feed tooth ^ In the feeding groove 6 5 is inserted the front feeding tooth main), and the rear feeding tooth 澧 fi φ i 1000, sb (% refer to the figure 4 疋 t leaf w groove 66 is inserted through the rear feeding tooth 76 and is also inserted in the side feeding tooth groove 6 7 = FIG. 4), in the small feeding tooth groove fifih, RR d, 4 (Shown). Here are inserted small feeding teeth (not dried in the picture; some other and small feeding teeth 75, 76, at the needle bar 29 proud allow /: not at the same time 'in the same frequency in the feeding tooth groove 2 The cloth 37 or dice on the needle bar is moved to the upper part of the action: as shown in Fig. 1, the sewing machine moves tightly on the front side of the sewing machine. The front of the sewing machine body 21 is approximately horizontal. In this lost roller = belt feeding device 22. The ribbon feeding device is swallowed and placed, and the root is placed on the nip roller setting table 91 in a manner that is approximately vertical # ^ ▲ Ten is also freely displaced, whereby ^ The feeding device 22 is set back to the sewing machine body 21 so as to be able to swing back and forth. When the ribbon feeding device 22 is in use, its front end portion is kept close to the cylinder base portion 25. At the ribbon The front end of the device 22 is provided with an outer cover 34 formed by f-curving. The upper surface of the outer cover 34 is provided approximately horizontally, and is curved downward from the front side. Inside the outer cover 34, a pair of nip rollers 30 are provided in parallel with each other. , 31, and 2 guide shafts 32, 33. A motor setting table 47 of a stepping motor that rotationally drives the nip roller 30 is provided at the base of the ribbon supply device 22, and the motor setting table 47 can be angled. Free displacement

Page 10 2174-4004-PF.ptd 554109 V. Description of the invention (8) The method is installed on the nip roller setting table 91. The sewing machine 20 is provided on the table top 23, and an opening 35 is formed on the table top 23 below the nip rollers 30 and 31 described above. A belt feeding device (not shown in the figure) is provided below the table top 23 so as to be able to rotate freely, and a reel wound with an elastic band 36 is wound therefrom. The elastic band is wound from the reel of the feeding device. 36 is drawn out from the opening 35, and is wound on each guide shaft 32, 33 of the belt supply device, and is held between the pair of pinch rollers 30, 31. In the perspective view of Shao U, Fig. 4 is a left side view of the initial sewing machine 20. In addition, the ribbon feeding device 22 is omitted in Fig. 3. As shown in Fig. 3, the front face 25a of the cylinder base 25 is formed with a through hole. As shown in FIG. 4, the belt inlet 80 is formed between the belt supply inlet 80 and the belt inlet 7 as shown in FIG. 4, and a guide path for guiding the belt is provided with a guide rail 81. As shown in FIG. 3, the end of the guide belt protrudes outward from the belt supply inlet 80, and the elastic band 36 is inserted into the population 81a of the belt guide 81, and is led out from the roller supply outlet 70 to the Needle plate 26. The belt guide 81 at the plate 26 is shown as a flat 3 into which the elastic band 36 can be inserted, and at the entrance of the belt guide 81, the upper ^ Structure, as shown in the figure: the lower half is set to protrude outwards ... out, the band guide 8_2 '= select the loose branch from below = for the lower support plate-' immediately above the lower support plate 82, with: : At first: The upper support plate 83 as shown in Fig. 4 is used. The belt 36 is tightened by the / holding member. First, the wheat hoe sent by the clip 30 and 31 touches the upper support plate 83. The nip rollers 30, 31: fluorine, 5. Description of the invention (9) ^ The lower upper support plate 83 is sent out. As shown in Fig. 4, the iL plate 82 is inclined, so it is tightened along the upper Vv / support plate 83. The belt 36 is fed toward the lower support and the lower side of the support plate, and the upper side of the two plates 82 is inserted to guide the guide = send out, thereby guiding the lower f tight belt 36 to the entrance 81a when the feeding is started. Thus, the eight passes through the belt Supply inlet 80. 'Into the belt guide 81 so that: as shown in FIG. 4' above the upper support plate 83: 3: upward facing the lower support plate 8: equipped with: the upper support swing air tube 84 The air 81 is used as the entrance 81a of the auxiliary rail 81 for the auxiliary conveying device. That is to say, when the air is introduced into the belt guide, the air is also introduced. ^ Tightly introduced into the guide rail with guide rail 81. So even if it is similar to elastic, it can pass through the belt smoothly, but it can also be smoothly passed through a belt with a large friction coefficient, as shown in Figure 4, at the entrance of the guide rail 81, Fixed knife 9. Fixed to the elastic band ::: road; ::: set near the passing path of the elastic band 36 =: not shown) driven. Therefore, 'the driving band 9 can be used to cut the elastic band 36 when it is bundled. I ~ There is a knife device 98. The knife includes an upper knife 92 and a lower knife 93 as shown in FIG. 3, and a device 98 is provided on the side of the needle plate 26 to cut the edge of the sewing fabric. FIG. 5 is a right cross-sectional view of the cylinder block portion 25. The lower blade ⑽ is fixed to the lower blade stand 94 built in the cylinder base portion 25 by a lower blade pressing plate 95. The belt guide 81 is bent from the supply inlet 80 to the second supply outlet 554109 of the belt 5. Fifth, the invention (70), so as to avoid the lower blade 93. The upper knife 92 is held on the upper knife shaft 97 by an upper knife holder 96. The front end portion of the upper knife shaft 97 extends to the upper side without being cut, and the root portion is connected to the sewing machine body 2 丨 behind the cylinder seat portion 25, and swings up and down about the swing axis L2 perpendicular to the paper surface of FIG. 5 as a center. . The upper knife 92 is held substantially vertically by the upper knife holder 96 provided at the front end portion of the upper knife shaft 97. The lower knife of the upper knife 92 is relatively slidably moved on the lower knife 2 by swinging the upper knife shaft 97 up and down. As shown in FIG. 3, the relative slip of the lower knife 93 and the upper knife = is set near the right end of the ribbon supply σ7 () (sewing movement = the side of f swimming). Therefore, after the cloth 37 is fed out by the presser and the needle plate with the overfeed teeth held by the needle plate, the cloth is placed at the edge of the ribbon supply outlet; the second outlet nip roller 30 at the predetermined position on the right end of the supply outlet is at the right end. Figure 4 shows the reverse pinch a for the driven pinch roller 31, the master-slave surface: "The clockwise drive rotates, so that the elastic band 36 is wound and led out, and then the elastic band is fed into the belt guide 8 to pass from the belt = to the outlet 7 .Supply the belt 22 to the needle plate 驱动 = drive the sewing machine body 21 and drive the belt supply device π: Supply the elastic belt u along the steering needle plate 26. The port 70 is disposed at the sewing position relative to the presser foot 62. # 物 Supply-out position 'from the ribbon supply outlet 7. Feed; part sewing motion ί = rear feed tooth 76 is conveyed sideways. The cloth 37 is The front H8 of the presser foot 62 2174-4004-PF.ptd Page 13 554109 V. Description of the invention (11) Knowing the side (upstream of the sewing movement direction A, the front and the front feed teeth 75 are clamped to the sewing supply) The delivery of the wide 62 'starts from the lifting center near the center of the presser foot 62 = downstream-from the rear of the side input foot 62, and the cloth 37 is above the stack. Near the rear of the object supply outlet 70 (sewing out. Needles ⑽a, 68b are provided on the side of the belt), the elastic band 36 is immediately sewn to the cloth 36 and the cloth 37 overlaps with 94. The right end of the material is fed out by the knife device ': 5 ϋ The right end of the fabric 37 is conveyed in a state where the predetermined position is consistent with each other. Jl The needle drop 1' elastic band 36 is located at the center of the forward feed groove, 65b and : ,,, σ outlet 70 is sewn on the fabric immediately after it is sent out, so the process from the ribbon supply outlet 70 to the stitching can be m㈣. This structure 'even if the conveying mechanism has a positive difference :: In the case, the elastic band 36 is also sewn to the fabric 37 without being offset. The width of the if supply outlet 70 is almost the same as the width of the elastic band 36 = the elastic band 36 after being sent out by the belt supply outlet 70 The direction deviation will occur and it will be in the correct position, so it can prevent the phenomenon that the 36 is sewn to the fabric 37 with an offset, and the elasticized fabric can be accurately overlapped and stitched along the predetermined position of the edge of the fabric 37 to be sewn. . Ribbon supply The port 70 is formed close to the needle drop holes 68a, 68b. The 14th page 2174-4004-PF.ptd 554109 V. Description of the invention (12) ^ The distance w between the solid drop pin holes 68a, 68b and the ribbon supply outlet 70. (Please refer to Figure 2) Choose 1.5 ~ 3mm, 2 dragons in this example. R 艎 f 3 0stick 3: The red rotation drive source is stepper motor's active nip roller 3, 3 speeds can be The order is precisely controlled. In addition, the active nip roller 3Q and the driven cooler Γ, 1 each are processed to be rough and rough by processing methods such as knurling;: Two cuts 2 hold the elastic band 36 without slipping. And there is a certain difference between the conveying speed of the elastic belt 由 fed by the feed teeth on the plate 26 and the supply speed of the elastic belt 36 supplied by the two rollers 30, 31. ίΠ !: Control active clip light 3. The rotation speed makes the feeding speed from the stitching position to the driving nip roller 30 and the driven nip belt 36. ^: ί often maintains a certain tension ′ can control the tightness of the active inflammation pro 3. Γ 3 by = Γ stepper motor tension of the elastic band 36. As a result, it is possible to precisely control the 7V / object supply device 22 applied to the household weight. * The base is centered on the hinge axis ί and the angle b can be freely displaced in a manner such that it can be freely displaced at an angle. The ribbon is supplied, and it can be shaken freely after being set to 22. During the sewing operation, the rotary lever 90 on the material supply device 22 is rotated, and the belt: = is fastened and fixed to the device 22. At this time, it is assumed that when the guide plate 44 on the outer cover 34 of the end portion and the looper thread of the main sewing machine body 21 are threaded, and > the above-mentioned rotating lever 90 is released during the month sweep operation, Ribbon supply device to track 2174-4004-PF.ptd page 15 m 554109

Therefore, the sewing machine body 21 can be easily threaded and another 90 belt springs can be placed on the base part 25. However, the table top 23 with such devices is also provided in the cylinder machine (supply in the figure) The material supply on 26 In other embodiments of the present invention, the material supply device 22 is not limited to being fixed to the sewing machine body 21, and a part of the BJ supply device 22 may be provided on the sewing machine body so as to be clamped. Structure.

In the sewing machine of the above embodiment, although the cylinder provided with the needle plate 26 is a cylindrical cylinder base portion protruding laterally from the sewing machine body, the sewing machine applicable to the present invention is not limited to this type. The embodiment is applicable to, for example, a type of sewing machine in which the cylinder body and the sewing machine body are integrally formed, and the seat is placed on the table 23. Fig. 6 is a cross-sectional view of an embodiment in which a webbing supply is applied to a sewing machine 101 having a sewing machine base 100. In this embodiment, the cylinder base 100 is placed on the upper side of the ° '. A ribbon supply device (not shown) is provided below the table top 23, and a ribbon mouth is formed at the bottom wall of the sewing machine base 100. 102. A belt guide 10 is provided from the belt supply inlet 10 ′ to the needle plate belt supply outlet 70 ′. When the belt inlet 102 is set on the bottom wall of the sewing machine base 100, as shown in FIG. 6

• The ‘band guide 103 shown may be designed to be straight. In addition, when the ribbon supply inlet is provided in front of the sewing machine base 100, as in the embodiment described above, the belt supply is curved with a guide rail (indicated by a chain line in the figure). The two-needle sewing machine is not limited to this embodiment, and may be one needle, or three needles.

2174.4004-PF.ptd

1 554109 V. Description of the invention (14) In this embodiment, the belt is an elastic band. This may also be a cloth band that does not stretch. The invention is not limited to the invention described above. The object is provided at the position close to the needle drop hole, and the needle drop hole supply outlet supplies the ribbon, so it can: supply the outlet, and sew the fabric from the strip. The knife prevents the ribbon from shifting To the ribbon, :::::::: is formed on the needle plate, and is supplied from under the cloth. Also, because = is on; Foot: surface slide. The front side of the machine base part can only ensure that the ribbon sent from the ribbon supply device installed on the sewing guide to the ribbon == is secured :: 给; :: 有- The ribbon supply device can be dished as well because it is equipped with Nan! To ensure the smooth rotation of the belt: auxiliary conveyance of objects, people, air, etc. The material supply inlet 2 2 supports the belt 'and guides the belt to the belt supply inlet. , Pieces, to ensure that the ribbon is inserted into the ribbon 2174-4004-PF.ptd Page 17

Claims (1)

554109 Case No. 90113331 Amendment VI. Between the ribbon clamping position of the patent application and the above-mentioned ribbon supply inlet 1111 page 19 2174-4004-PFl.ptc